Acacia fleckeri is an Australian tree of the genus Acacia and the subgenus Plurinerves[1] that is endemic to northeastern Australia.
The tree typically grows to a height of and has glabrous and pendulous branchlets with small, corky, oval or elongated areas on the surface. Like most species of Acacia it has phyllodes rather than true leaves. The evergreen phyllodes have a narrowly elliptic to oblanceolate shape that is usually inequilateral and straight straight or incurved slightly. The glabrous and thinly leathery phyllodes are in length and wide. The phyllodes have three to six main nerves and anastomosing longitudinal minor nerves.[2]
The species was first formally described by the botanist Leslie Pedley in 1978 as part of the work A revision of Acacia Mill. in Queensland as published in the journal Austrobaileya. It was classified by Pedley on 1987 as Racosperma fleckeri and returned to genus Acacia in 2001.[3]
It is found on the Cape York Peninsula of Queensland from around Weipa in the west to around Bowden and the Pascoe and Wenlock Rivers in the east. It is often situated on shell mounds or along sandy river or creek banks as a part of fringing woodland communities along with species of Eucalyptus, Melaleuca, Leptospermum and other species of Acacia.[2]